sound/soc/sdw_utils/soc_sdw_cs42l43.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Based on sof_sdw_rt5682.c
   3 // This file incorporates work covered by the following copyright notice:
   4 // Copyright (c) 2023 Intel Corporation
   5 // Copyright (c) 2024 Advanced Micro Devices, Inc.
   6
   7 /*
   8  *  soc_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver
   9  */
  10 #include <linux/device.h>
  11 #include <linux/errno.h>
  12 #include <linux/input.h>
  13 #include <sound/jack.h>
  14 #include <linux/soundwire/sdw.h>
  15 #include <linux/soundwire/sdw_type.h>
  16 #include <sound/cs42l43.h>
  17 #include <sound/control.h>
  18 #include <sound/soc.h>
  19 #include <sound/soc-acpi.h>
  20 #include <sound/soc-dapm.h>
  21 #include <sound/soc_sdw_utils.h>
  22
  23 static const struct snd_soc_dapm_route cs42l43_hs_map[] = {
  24         { "Headphone", NULL, "cs42l43 AMP3_OUT" },
  25         { "Headphone", NULL, "cs42l43 AMP4_OUT" },
  26         { "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" },
  27         { "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" },
  28 };
  29
  30 static const struct snd_soc_dapm_route cs42l43_spk_map[] = {
  31         { "Speaker", NULL, "cs42l43 AMP1_OUT_P", },
  32         { "Speaker", NULL, "cs42l43 AMP1_OUT_N", },
  33         { "Speaker", NULL, "cs42l43 AMP2_OUT_P", },
  34         { "Speaker", NULL, "cs42l43 AMP2_OUT_N", },
  35 };
  36
  37 static const struct snd_soc_dapm_route cs42l43_dmic_map[] = {
  38         { "cs42l43 PDM1_DIN", NULL, "DMIC" },
  39         { "cs42l43 PDM2_DIN", NULL, "DMIC" },
  40 };
  41
  42 static struct snd_soc_jack_pin soc_jack_pins[] = {
  43         {
  44                 .pin    = "Headphone",
  45                 .mask   = SND_JACK_HEADPHONE,
  46         },
  47         {
  48                 .pin    = "Headset Mic",
  49                 .mask   = SND_JACK_MICROPHONE,
  50         },
  51 };
  52
  53 int asoc_sdw_cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
  54 {
  55         struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
  56         struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
  57         struct snd_soc_jack *jack = &ctx->sdw_headset;
  58         struct snd_soc_card *card = rtd->card;
  59         int ret;
  60
  61         card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43",
  62                                           card->components);
  63         if (!card->components)
  64                 return -ENOMEM;
  65
  66         ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map,
  67                                       ARRAY_SIZE(cs42l43_hs_map));
  68         if (ret) {
  69                 dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
  70                 return ret;
  71         }
  72
  73         ret = snd_soc_card_jack_new_pins(card, "Jack",
  74                                          SND_JACK_MECHANICAL | SND_JACK_AVOUT |
  75                                          SND_JACK_HEADSET | SND_JACK_LINEOUT |
  76                                          SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  77                                          SND_JACK_BTN_2 | SND_JACK_BTN_3,
  78                                          jack, soc_jack_pins,
  79                                          ARRAY_SIZE(soc_jack_pins));
  80         if (ret) {
  81                 dev_err(card->dev, "Failed to create jack: %d\n", ret);
  82                 return ret;
  83         }
  84
  85         snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
  86         snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
  87         snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
  88         snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
  89
  90         ret = snd_soc_component_set_jack(component, jack, NULL);
  91         if (ret) {
  92                 dev_err(card->dev, "Failed to register jack: %d\n", ret);
  93                 return ret;
  94         }
  95
  96         ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
  97                                            0, SND_SOC_CLOCK_IN);
  98         if (ret)
  99                 dev_err(card->dev, "Failed to set sysclk: %d\n", ret);
 100
 101         return ret;
 102 }
 103 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_hs_rtd_init, "SND_SOC_SDW_UTILS");
 104
 105 int asoc_sdw_cs42l43_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
 106 {
 107         struct snd_soc_card *card = rtd->card;
 108         struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
 109         int ret;
 110
 111         if (!(ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS)) {
 112                 /* Will be set by the bridge code in this case */
 113                 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
 114                                                   "%s spk:cs42l43-spk",
 115                                                   card->components);
 116                 if (!card->components)
 117                         return -ENOMEM;
 118         }
 119
 120         ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_spk_map,
 121                                       ARRAY_SIZE(cs42l43_spk_map));
 122         if (ret)
 123                 dev_err(card->dev, "cs42l43 speaker map addition failed: %d\n", ret);
 124
 125         return ret;
 126 }
 127 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_rtd_init, "SND_SOC_SDW_UTILS");
 128
 129 int asoc_sdw_cs42l43_spk_init(struct snd_soc_card *card,
 130                               struct snd_soc_dai_link *dai_links,
 131                               struct asoc_sdw_codec_info *info,
 132                               bool playback)
 133 {
 134         /* Do init on playback link only. */
 135         if (!playback)
 136                 return 0;
 137
 138         info->amp_num++;
 139
 140         return asoc_sdw_bridge_cs35l56_spk_init(card, dai_links, info, playback);
 141 }
 142 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_init, "SND_SOC_SDW_UTILS");
 143
 144 int asoc_sdw_cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
 145 {
 146         struct snd_soc_card *card = rtd->card;
 147         int ret;
 148
 149         card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
 150                                           card->components);
 151         if (!card->components)
 152                 return -ENOMEM;
 153
 154         ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map,
 155                                       ARRAY_SIZE(cs42l43_dmic_map));
 156         if (ret)
 157                 dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);
 158
 159         return ret;
 160 }
 161 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_dmic_rtd_init, "SND_SOC_SDW_UTILS");